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CS unit one
| Term | Definition |
|---|---|
| binary number | each place # represents one "bit". It is a number system. |
| bit | A bit can be a 0 or a 1 |
| Byte | 8 bits is one byte |
| overflow error: | Error from attempting to represent a number that is too large. |
| Round-off error- | Error from attempting to represent a number that is too precise. The value is rounded. |
| abstraction- | an abstraction is a representation of the original, with unwanted detail omitted. |
| Analog Data: | Data with values that change continuously, or smoothly, over time. Some examples of analog data include music (live or recorded on vinyl), colors of a painting, or position of a sprinter during a race. |
| Digital Data: | Data that changes discreetly through a finite set of possible values. |
| Sampling: | A process for creating a digital representation of analog data by measuring the analog data at regular intervals called samples. |
| Lossless Compression: | A process for reducing the number of bits needed to represent something without losing any information. This process is reversible. |
| Lossy Compression: | A process for reducing the number of bits needed to represent something in which some information is lost or thrown away. This process is not reversible. |
| Creative Commons: | CC licenses allow copyright holders to retain the copyright to their works while giving the public permission to use those works under certain conditions. |
| Open Access: | Content free of any and all restrictions on access and free of many restrictions on use |
| Open Source: | Programs that are made freely available and may be redistributed and modified |
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